STEP 1: Identify and Set Up
The question is a test of our understanding of the mathematical operations to employ before the others. Typically, there is an acronym that gives a hint on the order as stated below:
B - Bracket
O - Of
D/M - Division/Multiplication
A/S - Addition/Subtraction.
We have brackets in our question so we take care of it first,
Then we treat the numbers raised to powers.
Lastly, we now do the addition and subtraction.
STEP 2: Execute
Answer = 217